Chapter 2: Q.28 (page 198)
Suppose g(x), h(x), and j(x) are differentiable functions with
values of the function and its derivative given in the following table:
Short Answer
The value of
Chapter 2: Q.28 (page 198)
Suppose g(x), h(x), and j(x) are differentiable functions with
values of the function and its derivative given in the following table:
The value of
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Get started for freeEvery morning Linda takes a thirty-minute jog in Central Park. Suppose her distance s in feet from the oak tree on the north side of the park
(a) What was the average rate of change of Lindaโs distance from the oak tree over the entire thirty-minute jog? What does this mean in real-world terms?
(b) On which ten-minute interval was the average rate of change of Lindaโs distance from the oak tree the greatest: the first
(c) Use the graph of
(d) Approximate the times at which Lindaโs (instantaneous) velocity was equal to zero. What is the physical significance of these times?
(e) Approximate the time intervals during Lindaโs jog that her (instantaneous) velocity was negative. What does a negative velocity mean in terms of this physical example?
The total yearly expenditures by public colleges and universities from 1990 to 2000 can be modeled by the function
(a) Estimate the total yearly expenditures by these colleges and universities in 1995.
(b) Compute the average rate of change in yearly expenditures between 1990 and 2000.
(c) Compute the average rate of change in yearly expenditures between 1995 and 1996.
(d) Estimate the rate at which yearly expenditures of public colleges and universities were increasing in 1995.
Use (a) the
(b) the
28.
In Exercises 69โ80, determine whether or not
Find the derivatives of the functions in Exercises 21โ46. Keep in mind that it may be convenient to do some preliminary algebra before differentiating.
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